<ol>
    <li>Map循环：
        <div th:each="mapS:${appMap}">
            <div th:text="${mapS}"></div>
        </div>
    </li>
</ol>

...

<ul th:each="lm: ${appMap}">
    <li th:each="entry: ${lm}" th:text="${entry.key}"></li>
    <li th:each="entry: ${lm}" th:text="${entry.value}"></li>
</ul>
